Adds session creation code in Auth.js (#4574)

src/Auth.js

@@ -1,5 +1,6 @@
-var Parse = require('parse/node').Parse;
-var RestQuery = require('./RestQuery');
+const cryptoUtils = require('./cryptoUtils');
+const RestQuery = require('./RestQuery');
+const Parse = require('parse/node');
 
 // An Auth object tells you who is requesting something and whether
 // the master key was used.
@@ -212,11 +213,46 @@ Auth.prototype._getAllRolesNamesForRoleIds = function(roleIDs, names = [], queri
   })
 }
 
+const createSession = function(config, {
+  userId,
+  createdWith,
+  installationId,
+  additionalSessionData,
+}) {
+  const token = 'r:' + cryptoUtils.newToken();
+  const expiresAt = config.generateSessionExpiresAt();
+  const sessionData = {
+    sessionToken: token,
+    user: {
+      __type: 'Pointer',
+      className: '_User',
+      objectId: userId
+    },
+    createdWith,
+    restricted: false,
+    expiresAt: Parse._encode(expiresAt)
+  };
+
+  if (installationId) {
+    sessionData.installationId = installationId
+  }
+
+  Object.assign(sessionData, additionalSessionData);
+  // We need to import RestWrite at this point for the cyclic dependency it has to it
+  const RestWrite = require('./RestWrite');
+
+  return {
+    sessionData,
+    createSession: () => new RestWrite(config, master(config), '_Session', null, sessionData).execute()
+  }
+}
+
 module.exports = {
   Auth,
   master,
   nobody,
   readOnly,
   getAuthForSessionToken,
-  getAuthForLegacySessionToken
+  getAuthForLegacySessionToken,
+  createSession,
 };

src/Controllers/DatabaseController.js

@@ -511,7 +511,7 @@ class DatabaseController {
   addRelation(key: string, fromClassName: string, fromId: string, toId: string) {
     const doc = {
       relatedId: toId,
-      owningId : fromId
+      owningId: fromId
     };
     return this.adapter.upsertOneObject(`_Join:${key}:${fromClassName}`, relationSchema, doc, doc);
   }
@@ -658,7 +658,7 @@ class DatabaseController {
 
   // Returns a promise for a list of owning ids given some related ids.
   // className here is the owning className.
-  owningIds(className: string, key: string, relatedIds: string): Promise<string[]> {
+  owningIds(className: string, key: string, relatedIds: string[]): Promise<string[]> {
     return this.adapter.find(joinTableName(className, key), relationSchema, { relatedId: { '$in': relatedIds } }, {})
       .then(results => results.map(result => result.owningId));
   }

src/RestWrite.js

@@ -5,7 +5,7 @@
 var SchemaController = require('./Controllers/SchemaController');
 var deepcopy = require('deepcopy');
 
-var Auth = require('./Auth');
+const Auth = require('./Auth');
 var cryptoUtils = require('./cryptoUtils');
 var passwordCrypto = require('./password');
 var Parse = require('parse/node');
@@ -568,29 +568,24 @@ RestWrite.prototype.createSessionToken = function() {
   if (this.auth.installationId && this.auth.installationId === 'cloud') {
     return;
   }
-  var token = 'r:' + cryptoUtils.newToken();
 
-  var expiresAt = this.config.generateSessionExpiresAt();
-  var sessionData = {
-    sessionToken: token,
-    user: {
-      __type: 'Pointer',
-      className: '_User',
-      objectId: this.objectId()
-    },
+  const {
+    sessionData,
+    createSession,
+  } = Auth.createSession(this.config, {
+    userId: this.objectId(),
     createdWith: {
       'action': this.storage['authProvider'] ? 'login' : 'signup',
       'authProvider': this.storage['authProvider'] || 'password'
     },
-    restricted: false,
     installationId: this.auth.installationId,
-    expiresAt: Parse._encode(expiresAt)
-  };
+  });
+
   if (this.response && this.response.response) {
-    this.response.response.sessionToken = token;
+    this.response.response.sessionToken = sessionData.sessionToken;
   }
 
-  return new RestWrite(this.config, Auth.master(this.config), '_Session', null, sessionData).execute();
+  return createSession();
 }
 
 RestWrite.prototype.destroyDuplicatedSessions = function() {
@@ -675,29 +670,23 @@ RestWrite.prototype.handleSession = function() {
   }
 
   if (!this.query && !this.auth.isMaster) {
-    var token = 'r:' + cryptoUtils.newToken();
-    var expiresAt = this.config.generateSessionExpiresAt();
-    var sessionData = {
-      sessionToken: token,
-      user: {
-        __type: 'Pointer',
-        className: '_User',
-        objectId: this.auth.user.id
-      },
-      createdWith: {
-        'action': 'create'
-      },
-      restricted: true,
-      expiresAt: Parse._encode(expiresAt)
-    };
+    const additionalSessionData = {};
     for (var key in this.data) {
       if (key === 'objectId' || key === 'user') {
         continue;
       }
-      sessionData[key] = this.data[key];
+      additionalSessionData[key] = this.data[key];
     }
-    var create = new RestWrite(this.config, Auth.master(this.config), '_Session', null, sessionData);
-    return create.execute().then((results) => {
+
+    const { sessionData, createSession } = Auth.createSession(this.config, {
+      userId: this.auth.user.id,
+      createdWith: {
+        action: 'create',
+      },
+      additionalSessionData
+    });
+
+    return createSession().then((results) => {
       if (!results.response) {
         throw new Parse.Error(Parse.Error.INTERNAL_SERVER_ERROR,
           'Error creating session.');

src/Routers/SessionsRouter.js

@@ -3,8 +3,6 @@ import ClassesRouter from './ClassesRouter';
 import Parse         from 'parse/node';
 import rest          from '../rest';
 import Auth          from '../Auth';
-import RestWrite     from '../RestWrite';
-import { newToken }  from '../cryptoUtils';
 
 export class SessionsRouter extends ClassesRouter {
 
@@ -32,30 +30,24 @@ export class SessionsRouter extends ClassesRouter {
 
   handleUpdateToRevocableSession(req) {
     const config = req.config;
-    const masterAuth = Auth.master(config)
     const user = req.auth.user;
     // Issue #2720
     // Calling without a session token would result in a not found user
     if (!user) {
       throw new Parse.Error(Parse.Error.OBJECT_NOT_FOUND, 'invalid session');
     }
-    const expiresAt = config.generateSessionExpiresAt();
-    const sessionData = {
-      sessionToken: 'r:' + newToken(),
-      user: {
-        __type: 'Pointer',
-        className: '_User',
-        objectId: user.id
-      },
+    const {
+      sessionData,
+      createSession
+    } = Auth.createSession(config, {
+      userId: user.id,
       createdWith: {
         'action': 'upgrade',
       },
-      restricted: false,
       installationId: req.auth.installationId,
-      expiresAt: Parse._encode(expiresAt)
-    };
-    const create = new RestWrite(config, masterAuth, '_Session', null, sessionData);
-    return create.execute().then(() => {
+    });
+
+    return createSession().then(() => {
       // delete the session token, use the db to skip beforeSave
       return config.database.update('_User', {
         objectId: user.id

src/Routers/UsersRouter.js

@@ -7,8 +7,6 @@ import ClassesRouter  from './ClassesRouter';
 import rest           from '../rest';
 import Auth           from '../Auth';
 import passwordCrypto from '../password';
-import RestWrite      from '../RestWrite';
-const cryptoUtils = require('../cryptoUtils');
 
 export class UsersRouter extends ClassesRouter {
 
@@ -142,8 +140,6 @@ export class UsersRouter extends ClassesRouter {
           }
         }
 
-        const token = 'r:' + cryptoUtils.newToken();
-        user.sessionToken = token;
         delete user.password;
 
         // Remove hidden properties.
@@ -161,31 +157,19 @@ export class UsersRouter extends ClassesRouter {
             delete user.authData;
           }
         }
+        const {
+          sessionData,
+          createSession
+        } = Auth.createSession(req.config, { userId: user.objectId, createdWith: {
+          'action': 'login',
+          'authProvider': 'password'
+        }, installationId: req.info.installationId });
+
+        user.sessionToken = sessionData.sessionToken;
 
         req.config.filesController.expandFilesInObject(req.config, user);
 
-        const expiresAt = req.config.generateSessionExpiresAt();
-        const sessionData = {
-          sessionToken: token,
-          user: {
-            __type: 'Pointer',
-            className: '_User',
-            objectId: user.objectId
-          },
-          createdWith: {
-            'action': 'login',
-            'authProvider': 'password'
-          },
-          restricted: false,
-          expiresAt: Parse._encode(expiresAt)
-        };
-
-        if (req.info.installationId) {
-          sessionData.installationId = req.info.installationId
-        }
-
-        const create = new RestWrite(req.config, Auth.master(req.config), '_Session', null, sessionData);
-        return create.execute();
+        return createSession();
       }).then(() => {
         return { response: user };
       });